Add service health alerting

Author: marvinbuss

code/infra/alerts.tf

@@ -0,0 +1,40 @@
+resource "azurerm_monitor_activity_log_alert" "monitor_activity_log_alert_service_health" {
+  name                = "${local.prefix}-alert-servicehealth"
+  resource_group_name = azurerm_resource_group.logging_rg.name
+  tags                = var.tags
+
+  enabled     = true
+  description = "Alerts for service health and maintenance events."
+  scopes = [
+    data.azurerm_subscription.current.id
+  ]
+  action {
+    action_group_id = azurerm_monitor_action_group.monitor_action_group.id
+    webhook_properties = {
+      "alert_custom_type"              = "service-health",
+      "alert_custom_location"          = var.location
+      "alert_custom_env"               = var.environment
+      "alert_custom_sub"               = data.azurerm_client_config.current.subscription_id
+      "alert_custom_resource_group"    = azurerm_resource_group.extension_rg.name
+      "alert_custom_instance"          = var.prefix
+      "alert_custom_layer"             = "core"
+      "alert_custom_layer_name"        = "core"
+      "alert_custom_snowseverity"      = "Info"
+      "alert_custom_snowfgroup"        = "A.TEC.GLOB.ADP.DL.3RD"
+      "alert_custom_snowincidentlevel" = "P3"
+    }
+  }
+  criteria {
+    category = "ServiceHealth"
+    service_health {
+      events = [
+        "Incident",
+        "Maintenance"
+      ]
+      locations = [
+        "Global",
+        data.azurerm_location.current.display_name
+      ]
+    }
+  }
+}